The DP World Tour and Blue Bay LPGA are also taking place
Ireland's Shane Lowry leads by a shot after round one of the Arnold Palmer Invitational on the PGA Tour in Florida.
The Offaly native is 6 under par, with Seamus Power level par and Rory McIlroy 1 over.
On the DP World Tour, Tom McKibbin is third on day two of the Jonsson Workwear Open in South Africa.
He's 13 under for the tournament after a second round of 64 - two shots behind the leader Matteo Manassero who's on 15 under.
Stephanie Meadow is in a tie for 6th after day two of the Blue Bay LPGA in China.
She's 6 under par, three shots behind the leaders.

Wednesday's Sports Update
FAI Chief To Speak ‘Soon’ On Nations League Controversy
Tuesday Lunchtime Sports Update
IRFU Investigate Online Racist Abuse Directed Toward Edwin Edogbo
Farrell Hits Out At "Keyboard Warriors" Aiming Abuse At Suncroft's Sam Prendergast And Jack Crowley
Monday Morning Sports Update
Kildare Football Team vs Derry
Tottenham Set To Appoint Igor Tudor As Interim Head Coach